Precalculus : Symmetry

Study concepts, example questions & explanations for Precalculus

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Example Questions

Example Question #1 : Determine The Symmetry Of An Equation

Is the following function symmetrical about the y-axis (is it an even function)?

Possible Answers:

Yes

There is insufficient information to determine the answer

No

The given information does not include a function

Correct answer:

No

Explanation:

For a function to be even, it must satisfy the equality

Likewise, if a function is even, it is symmetrical about the y-axis

Therefore, the function is not even, and so the answer is No.

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